Thank you, Jennifer! You provided the answer I needed. My antivirus was
blocking the Chromecast (without mentioning it in the log of course ).
Thank you for taking the time to respond.
I'm having the same issue. I have one PC that can cast ok, but a couple
other PCs that get the "Available for specific video sites" message. So
far I've tried updating the Chromecast dongle, Chrome on the PCs,
applying Windows updates, changing the N...